LAN9252SLASHML datasheet(48/329 Pages) MICROCHIP

48 / 329 page

LAN9252

DS00001909A-page 48

 2015 Microchip Technology Inc.

Power Management Wakeup (PM_WAKE)

When set, this bit enables automatic wake-up based on PME events.

0: Manual Wakeup only

1: Auto Wakeup enabled

R/W

LED Disable (LED_DIS)

This bit disables LED outputs. Open-drain / open-source LEDs are un-driven.

Push-pull LEDs are still driven but are set to their inactive state.

0: LEDs are enabled

1: LEDs are disabled

R/W

25:22

RESERVED

EtherCAT Core Clock Disable (ECAT_DIS)

This bit disables the clocks for the EtherCAT core.

0: Clocks are enabled

1: Clocks are disabled

In order for this bit to be set, it must be written as a 1 two consecutive times.

A write of a 0 will reset the count.

R/W

RESERVED

19:18

RESERVED

Energy-Detect / WoL Status Port B (ED_WOL_STS_B)

This bit indicates an energy detect or WoL event occurred on the Port B PHY.

In order to clear this bit, it is required that the event in the PHY be cleared as

well. The event sources are described in Section 6.3, "Power Management,"

on page 43.

R/WC

Energy-Detect / WoL Status Port A (ED_WOL_STS_A)

This bit indicates an energy detect or WoL event occurred on the Port A PHY.

In order to clear this bit, it is required that the event in the PHY be cleared as

well. The event sources are described in Section 6.3, "Power Management,"

on page 43.

R/WC

Energy-Detect / WoL Enable Port B (ED_WOL_EN_B)

When set, the PME_INT bit in the Interrupt Status Register (INT_STS) will be

asserted upon an energy-detect or WoL event from Port B.

R/W

Energy-Detect / WoL Enable Port A (ED_WOL_EN_A)

When set, the PME_INT bit in the Interrupt Status Register (INT_STS) will be

asserted upon an energy-detect or WoL event from Port A.

R/W

13:10

RESERVED

8:7

RESERVED

6:5

RESERVED

Bits

Description

Type

Default

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